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Simplifying
81x2 + -49y2 = 0
Solving
81x2 + -49y2 = 0
Solving for variable 'x'.
Move all terms containing x to the left, all other terms to the right.
Add '49y2' to each side of the equation.
81x2 + -49y2 + 49y2 = 0 + 49y2
Combine like terms: -49y2 + 49y2 = 0
81x2 + 0 = 0 + 49y2
81x2 = 0 + 49y2
Remove the zero:
81x2 = 49y2
Divide each side by '81'.
x2 = 0.6049382716y2
Simplifying
x2 = 0.6049382716y2
Take the square root of each side:
x = {-0.777777778y, 0.777777778y}
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